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1kg/roll Enameled Copper Wire 0.04mm 0.2mm 0.3mm 1.5mm Magnet Wire Magnetic Coil Winding For Electromagnet Motor Inductance Diy - Electrical Wires - AliExpress
Enameled Copper Magnet Wire – 11 meters / 0.1mm diameter : ID 3522 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Klein Tools Magnetic Wire Puller 50611 - The Home Depot